Third-base wobble allows some trnas to recognize more than one mrna codon. based on this chapter's discussion of wobble, what is the minimal number of trna molecules necessary to recognize the following amino acids

Olympic skier tina maze skis down a steep slope that descends at an angle of 30∘ below the horizontal. the coefficient of sliding friction between her skis and the snow is 0.10. i found maze's acceleration which is 4.1 m/s^2. but how do you determine maze's speed 4.0 s after starting?